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- PDB-4qe5: Room temperature X-ray structure of D-xylose isomerase in complex... -

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Basic information

Entry
Database: PDB / ID: 4qe5
TitleRoom temperature X-ray structure of D-xylose isomerase in complex with two Mg2+ ions and L-ribulose
ComponentsXylose isomerase
KeywordsISOMERASE / TIM barrel / sugar isomerase / monosaccharides
Function / homology
Function and homology information


xylose isomerase / D-xylose metabolic process / xylose isomerase activity / magnesium ion binding / identical protein binding / cytoplasm
Similarity search - Function
Xylose isomerase, actinobacteria / Xylose isomerase / Xylose isomerase family profile. / Divalent-metal-dependent TIM barrel enzymes / Xylose isomerase-like, TIM barrel domain / Xylose isomerase-like TIM barrel / Xylose isomerase-like superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
alpha-L-ribulofuranose / Xylose isomerase
Similarity search - Component
Biological speciesStreptomyces rubiginosus (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.56 Å
AuthorsKovalevsky, A.Y. / Langan, P.
CitationJournal: Structure / Year: 2014
Title: L-Arabinose Binding, Isomerization, and Epimerization by D-Xylose Isomerase: X-Ray/Neutron Crystallographic and Molecular Simulation Study.
Authors: Langan, P. / Sangha, A.K. / Wymore, T. / Parks, J.M. / Yang, Z.K. / Hanson, B.L. / Fisher, Z. / Mason, S.A. / Blakeley, M.P. / Forsyth, V.T. / Glusker, J.P. / Carrell, H.L. / Smith, J.C. / ...Authors: Langan, P. / Sangha, A.K. / Wymore, T. / Parks, J.M. / Yang, Z.K. / Hanson, B.L. / Fisher, Z. / Mason, S.A. / Blakeley, M.P. / Forsyth, V.T. / Glusker, J.P. / Carrell, H.L. / Smith, J.C. / Keen, D.A. / Graham, D.E. / Kovalevsky, A.
History
DepositionMay 15, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 3, 2014Provider: repository / Type: Initial release
Revision 1.1Sep 10, 2014Group: Database references
Revision 1.2Jul 29, 2020Group: Data collection / Derived calculations
Category: chem_comp / pdbx_chem_comp_identifier ...chem_comp / pdbx_chem_comp_identifier / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.type / _pdbx_struct_conn_angle.ptnr1_auth_comp_id ..._chem_comp.type / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.3Feb 28, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Xylose isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)43,4824
Polymers43,2831
Non-polymers1993
Water5,224290
1
A: Xylose isomerase
hetero molecules

A: Xylose isomerase
hetero molecules

A: Xylose isomerase
hetero molecules

A: Xylose isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)173,92816
Polymers173,1334
Non-polymers79512
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation3_554-x,y,-z-11
crystal symmetry operation4_554x,-y,-z-11
Buried area30690 Å2
ΔGint-152 kcal/mol
Surface area47690 Å2
MethodPISA
Unit cell
Length a, b, c (Å)93.928, 99.687, 103.030
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number23
Space group name H-MI222

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Components

#1: Protein Xylose isomerase /


Mass: 43283.297 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Streptomyces rubiginosus (bacteria) / References: UniProt: P24300, xylose isomerase
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#3: Sugar ChemComp-RUU / alpha-L-ribulofuranose / alpha-L-ribulose / L-ribulose / ribulose / Ribulose


Type: L-saccharide, alpha linking / Mass: 150.130 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C5H10O5
IdentifierTypeProgram
LRulfaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
a-L-ribulofuranoseCOMMON NAMEGMML 1.0
a-L-RulfIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 290 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.79 Å3/Da / Density % sol: 55.85 %
Crystal growTemperature: 291 K / Method: batch / pH: 7.7
Details: 30% ammonium sulfate, 0.1M HEPES pH 7.7, batch, temperature 291K

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Data collection

DiffractionMean temperature: 291 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Feb 25, 2013
RadiationMonochromator: none / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 1.56→40 Å / Num. all: 65300 / Num. obs: 53571 / % possible obs: 82 % / Observed criterion σ(F): 4 / Observed criterion σ(I): 2

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Processing

Software
NameClassification
HKL-3000data collection
PHASERphasing
SHELXL-97refinement
HKL-3000data reduction
HKL-3000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.56→20 Å / Num. parameters: 13571 / Num. restraintsaints: 12807 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.1878 3041 5 %RANDOM
Rwork0.1575 ---
all0.159 60742 --
obs0.1481 53571 --
Refine analyzeNum. disordered residues: 6 / Occupancy sum hydrogen: 0 / Occupancy sum non hydrogen: 3350.08
Refinement stepCycle: LAST / Resolution: 1.56→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3053 0 12 290 3355
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.011
X-RAY DIFFRACTIONs_angle_d0.027
X-RAY DIFFRACTIONs_similar_dist0
X-RAY DIFFRACTIONs_from_restr_planes0.0224
X-RAY DIFFRACTIONs_zero_chiral_vol0.055
X-RAY DIFFRACTIONs_non_zero_chiral_vol0.076
X-RAY DIFFRACTIONs_anti_bump_dis_restr0.022
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt0
X-RAY DIFFRACTIONs_similar_adp_cmpnt0.069
X-RAY DIFFRACTIONs_approx_iso_adps0

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